强制还原已存在的数据库_数据库bak文件还原

USE master
GO
IF EXISTS (SELECT * FROM sysobjects 
       WHERE id = object_id(N'[dbo].[spForceRestoreDB]') 
      AND OBJECTPROPERTY(id, N'IsProcedure') = 1)
DROP PROCEDURE [dbo].[spForceRestoreDB]
GO
SET QUOTED_IDENTIFIER  OFF    SET ANSI_NULLS  ON 
GO/*

use master
   go
   exec master..spForceRestoreDB 'test'
                                 ,'c:/test.bak'
                                 ,'c:/db/test_data.mdf'
                                 ,'c:/db/test_log.mdf'   vivianfdlpw 2005.9 引用请保留此信息
*/
CREATE PROCEDURE spForceRestoreDB
    @DatabaseName varchar(50),       --要恢复的数据库名
    @BackupFile varchar(255),        --备份文件路径
    @NewDataFilePath  varchar(255),  --新物理文件位置
    @NewLogFilePath  varchar(255)    --新日志文件位置
WITH ENCRYPTION
AS
BEGIN
SET NOCOUNT ON 
 DECLARE @exists int IF NOT EXISTS( select name from master.dbo.sysdatabases WHERE name = @DatabaseName)
 BEGIN
 PRINT '  Database ' + @DatabaseName + ' not found '
 PRINT '  Enter valid Datbase name'
 RETURN
 END EXEC master.dbo.xp_fileexist @BackupFile , @exists OUTPUT
 if (@exists = 0)
 BEGIN
 PRINT '  File ' + @BackupFile + ' Does bot Exist'
 PRINT '  Database cannot be restored'
 PRINT '  Enter the valid Backup File'
 RETURN
 END     -- Cursor for all the spids running against this database
 DECLARE SysProc CURSOR LOCAL FORWARD_ONLY DYNAMIC READ_ONLY FOR
 SELECT spid
 FROM master.dbo.sysprocesses
 WHERE dbid = ( SELECT dbid FROM master.dbo.sysdatabases
     WHERE name = @DatabaseName)
    
 DECLARE @SysProcId smallint
 
 -- Opens the Cursor
 OPEN SysProc
 
 -- Fetch the Process ID into the cursor
  FETCH NEXT FROM SysProc INTO @SysProcId
  
 DECLARE @KillStatement char(30)
 
 WHILE @@FETCH_STATUS = 0
 BEGIN
  SET @KillStatement = 'KILL ' + CAST(@SysProcId AS char(30))
  
  -- Kills the processes running against the database
  EXEC (@KillStatement)
  
  FETCH NEXT FROM SysProc INTO @SysProcId
 END
 
 WAITFOR DELAY '000:00:01'        create table # 
       (LogicalName varchar(255), 
        PhysicalName varchar(255), 
        Type varchar(20), 
        FileGroupName varchar(255), 
        Size varchar(20), 
        MaxSize varchar(20) )
        declare @cmd varchar(200)
                ,@DataLogicName varchar(20)
                ,@logLogicName varchar(20)
        select @cmd = 'RESTORE FILELISTONLY FROM disk = '''+ @BackupFile + '''' 
        insert # exec(@cmd)        select @DataLogicName=LogicalName from # where Type='D'
        select @logLogicName=LogicalName from # where Type='L'
        drop table # DECLARE @strSql varchar(2000)
 SET @strSql = 'RESTORE DATABASE '
 SET @strSql = @strSql + QUOTENAME(@DatabaseName)  
 SET @strSql = @strSql + 'FROM  DISK = N'+ '''' + @BackupFile + '''' 
 SET @strSql = @strSql + ' WITH  FILE = 1,  NOUNLOAD ,  STATS = 10,  RECOVERY ,  REPLACE'
        SET @strSql = @strSql + ',Move '''+@DataLogicName+''' to '''+@NewDataFilePath+''''        SET @strSql = @strSql + ',Move '''+@logLogicName+''' to '''+@NewLogFilePath+'''' --PRINT @strSql
 -- Restore the Database
 EXEC (@strSql)SET NOCOUNT OFF 
END
GO